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Editorial Team
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Asked: 2026-05-31T14:30:06+00:00

Supposed we have the following table: index value 1 55 2 66 3 77

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Supposed we have the following table: 

index  value
1      55  
2      66  
3      77  
1      88  
3      99

how can i sum(value) when index=1 or index=3, and avg(value) when index=2 in one select statement?

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1 Answer

  1. Editorial Team

    Easily:

    SELECT index, CASE WHEN index IN (1, 3) THEN SUM(value) ELSE AVG(value) END
FROM yourTable
GROUP BY index
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